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What Is Spray Foam Insulation and How Long Does It Last?

There are many options for insulation products on the market today. When you choose one, it is important to consider how long it will last and how effective they are. One insulation product that some may have heard of but aren’t too familiar with is spray foam.

Spray foam has been around since the 80s but has only grown in popularity recently. If you are interested in trying out spray foam for your home’s insulation, 

Long-Lasting Protection

When choosing insulation, we hope to go after those that last long. We don’t want to have to constantly fix and replace them as it can be too much work and might cost a lot of money. Spray foam is made from an inert polymer and has been designed to be long-lasting. You don’t have to worry about removing it and replacing it, and at most, all you need to do is add another layer over time. Additionally, when it dries, it becomes a strong and sturdy material, which can help the foundation of your home.

Stronger than Most Insulation Options

The idea of foam being your insulation choice may seem ridiculous, but when spray foam dries up, you may be surprised at home durable and rigid it is. Because of how strong spray foam is when dried, you know that it can withstand harsh and extreme weather conditions. It is also clear that a layer of spray foam cannot be easily penetrated by winds and moisture. 

How Do You Install It?

How you install the spray foam will greatly affect its lifespan. You will need to install it at about two inches per layer in the areas where you want it to be. This should last you a really long time because of how durable it is.

However, you have to make sure that the location you place your spray foam is not exposed to the sun. UV rays will negatively affect the spray foam and will wear it down faster, which will make it more short-lived.

What Can Affect the Lifespan of Spray Foam?

As sturdy as spray foam is, if you do not install it properly, there will be factors that will affect it. The following are the things that could shorten the lifespan of your spray foam:

  • Not removing old insulation before applying spray foam
  • Not applying the right thickness of spray foam
  • Not cleaning or allowing the substrates to fully dry before applying the spray foam
  • Placing spray foam on top of old insulation
  • Not filling up all the gaps and holes when applying spray foam
  • Putting spray foam on a surface that is below 60 degrees Fahrenheit or over 80 degrees Fahrenheit

All of these mistakes are common and small mistakes. Professionals are knowledgeable about applying spray foam, so they are well aware of looking out for these factors. However, if you were to DIY spray foam, it is very likely that you will encounter these issues. It is always best to hire a professional to install spray foam at your home.


Spray foam can be installed by professionals or DIY homeowners. It is best to hire a professional to do the installation because of how challenging it is to install. The spray foam is durable and can offer a lot of benefits to your home, but it must be applied properly.

If you are seeking spray foam insulation services, you can contact PolarTech Spray Foam. We are a team of spray foam insulation experts in Saskatoon providing professional installation and removal services. Book our services and switch to spray foam insulation.

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